The Shifted Timeline

Our hero, who is about to become an immortal, unexpectedly returns to the past. But this time, he will not let bullies push him around again and humiliations repeat themselves. What other conspiracies will emerge after his rebirth? He is a puppet in his miserable past life? He manages to acquire the most powerful martial arts secret of all races in his new life?! See how our young hero changes his destiny and becomes an urban immortal emperor!

(Source: WebComics)